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Schneider Electric Acti 9 C120N MCB, 3P, 125A Curve C, 440V AC, 375V DC, 10 kA, 20 kA Breaking Capacity

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SGD701.29

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SGD764.41

(inc. GST)

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RS Stock No.:
776-3076
Mfr. Part No.:
A9N18369
Manufacturer:
Schneider Electric
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Brand

Schneider Electric

Number of Poles

3

Current Rating

125A

Tripping Characteristics

Type C

Rated AC Voltage

440V

Rated DC Voltage

375V

Breaking Capacity at Maximum Voltage Rating

10 kA, 20 kA

Range

Acti 9

Series

C120N

Circuit Breaker Type

MCB

Length

81mm

Width

81mm

Mounting Style

DIN Rail Mount

Depth

73mm

Better World Verification

Green Premium

Better World Product

Yes

Application

Distribution

Terminal Contact Type

Tunnel Terminal

Tripping Mechanism

Thermal-Magnetic

Special Features

Short Circuit Protection

COO (Country of Origin):
FR

Schneider Electric C120N Series MCB, 125A Current Rating, 3 Poles - A9N18369


This MCB is an essential component for electrical distribution systems, ensuring effective short circuit protection and reliable operation. The dimensions of this compact unit include a width and height of 81mm and a depth of 73mm, making it suitable for DIN rail mounting. Designed for a current rating of 125A, it supports both AC and DC applications with a rated voltage of up to 440V.

Features & Benefits


• Offers Type C tripping characteristics for medium load protection
• Equipped with thermal-magnetic technology for enhanced reliability
• Features tunnel terminal contacts for secure and easy wiring
• Supports installation on standard 35mm symmetrical DIN rails
• Designed for both operational isolation and distribution usage

Applications


• Utilised in commercial and industrial electrical panels
• Applied in automation systems requiring reliable circuit protection
• Effective in environments with varying electrical loads
• Suitable for use in mechanical and electrical installations
• Ideal for protecting sensitive equipment from overload conditions

What type of terminal connections does this device accommodate?


This circuit breaker features tunnel type terminals that can support rigid wires from 1 to 50 mm² and flexible wires from 1.5 to 35 mm², ensuring versatility and adaptability in various installations.

How does the breaking capacity of this unit compare for AC and DC applications?


For AC applications, it has a breaking capacity of 10kA for voltages up to 440V, while for DC applications, it is rated at 10kA for voltages up to 375V, confirming its efficacy in both system types.

What are the operational temperature limits for this circuit breaker?


The operational temperature range for this device is -25°C to 70°C, allowing it to function efficiently in diverse environmental conditions without compromising performance.


Merlin Gerin – MCBs


Miniature Circuit Breakers; Contact Position indicated by switch levers
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